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Slow moving rain may bring thunderstorms and isolated flash flooding Friday, Aug. 28, to central North Carolina, including the Triangle.
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There is a Level 1, or marginal risk, for severe storms that could create strong winds over 50 miles per hour, according to an early morning briefing from the National Weather Service’s Raleigh Office.
“Slow moving clusters of storms will be capable of producing localized heavy rainfall, especially areas south and east of the Triad,” according to the briefing.
There is a level 2, or medium risk, of flash flooding, with the timing of the excessive rainfall later in the afternoon and into the evening on Friday, as of 10:30 a.m. Friday.
“Rainfall totals through the weekend look to be a general 0.5-1.5 inches, with locally higher amounts where the heaviest downpours occur and in locations that receive multiple rounds of rainfall,” according to ABC11, The News & Observer’s newsgathering partner. “Some guidance suggests localized totals up to 5 inches are not out of the question.”
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Rainfall rates could be 3 inches or greater an hour, and isolated flash flooding could occur, with the highest threat in urban and poor drainage areas, according to the National Weather Service.
“Any showers and storms that develop Friday will be slow moving and have the potential to continue to develop over the same areas,” according to North Carolina Emergency Management Hazardous Weather update for Friday. “Isolated to scattered flash flooding remains possible statewide, with the greatest potential where heavy rainfall was observed Thursday.”
This rain and potential rain this weekend is unrelated to Tropical Storm Dolly, which formed in the Atlantic Ocean on Thursday.
“It is forecast to dissipate in the next four to five days before reaching the Leeward Islands, so in that sense, there is no threat of that in North Carolina,” said Tom Green, a meteorologist with the National Weather Service’s Raleigh office during a routine weather briefing on Thursday.
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